wifi: mwifiex: Fix OOB and integer underflow when rx packets
Priority LOW 38CWE-191Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 20 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-191 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.14.326, 4.19.295, 5.4.257 +6Red Hat: 10 advisoriesRed Hat: 20 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.7 and later | 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6 | Patch available | CNA |
- Linux VendorLinux Affected 3.7 and later Fixed in 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.7 to before 4.14.326; 4.15 to before 4.19.295; 4.20 to before 5.4.257; 5.5 to before 5.10.195; 5.11 to before 5.15.132; 5.16 to before 6.1.53; 6.2 to before 6.4.16; 6.5 to before 6.5.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.7 to before 4.14.326; 4.15 to before 4.19.295; 4.20 to before 5.4.257; 5.5 to before 5.10.195; 5.11 to before 5.15.132; 5.16 to before 6.1.53; 6.2 to before 6.4.16; 6.5 to before 6.5.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6
Red Hat 10 advisories
- RHSA-2025:23463 Released 2025-12-17 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.182.1.el8_4, kernel-4.18.0-305.182.1.el8_4, kernel-abi-stablelists-4.18.0-305.182.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.182.1.el8_4, kernel-4.18.0-305.182.1.el8_4, kernel-abi-stablelists-4.18.0-305.182.1.el8_4 +14
- RHSA-2025:23445 Released 2025-12-17 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.178.1.el8_2, kernel-4.18.0-193.178.1.el8_2, kernel-abi-whitelists-4.18.0-193.178.1.el8_2 +14
- RHSA-2025:23000 Released 2025-12-10 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.172.1.el8_6, kernel-4.18.0-372.172.1.el8_6, kernel-abi-stablelists-4.18.0-372.172.1.el8_6 +14
- Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.172.1.el8_6, kernel-4.18.0-372.172.1.el8_6, kernel-abi-stablelists-4.18.0-372.172.1.el8_6 +19
- Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.172.1.el8_6, kernel-4.18.0-372.172.1.el8_6, kernel-abi-stablelists-4.18.0-372.172.1.el8_6 +14
Show 7 more Red Hat advisories
- RHSA-2025:22998 Released 2025-12-10 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.122.1.el8_8, kernel-4.18.0-477.122.1.el8_8, kernel-abi-stablelists-4.18.0-477.122.1.el8_8 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.122.1.el8_8, kernel-4.18.0-477.122.1.el8_8, kernel-abi-stablelists-4.18.0-477.122.1.el8_8 +14
- RHSA-2025:21136 Released 2025-11-12 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-core-5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-5.14.0-70.153.1.rt21.225.el9_0 +9
- Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-core-5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-5.14.0-70.153.1.rt21.225.el9_0 +7
- RHSA-2025:21128 Released 2025-11-12 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.146.1.rt14.431.el9_2, kernel-rt-core-5.14.0-284.146.1.rt14.431.el9_2, kernel-rt-debug-5.14.0-284.146.1.rt14.431.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.146.1.rt14.431.el9_2, kernel-rt-core-5.14.0-284.146.1.rt14.431.el9_2, kernel-rt-debug-5.14.0-284.146.1.rt14.431.el9_2 +11
- RHSA-2025:21091 Released 2025-11-12 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.153.1.el9_0, kernel-debug-devel-matched-5.14.0-70.153.1.el9_0, kernel-devel-5.14.0-70.153.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.153.1.el9_0, kernel-5.14.0-70.153.1.el9_0, kernel-abi-stablelists-5.14.0-70.153.1.el9_0 +14
- RHSA-2025:21051 Released 2025-11-12 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.146.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.146.1.el9_2, kernel-64k-devel-5.14.0-284.146.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.146.1.el9_2, kernel-5.14.0-284.146.1.el9_2, kernel-64k-5.14.0-284.146.1.el9_2 +29
- RHSA-2025:19447 Released 2025-11-03 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.82.1.el8_10, kernel-4.18.0-553.82.1.el8_10, kernel-abi-stablelists-4.18.0-553.82.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.82.1.el8_10
- RHSA-2025:19440 Released 2025-11-03 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-4.18.0-553.82.1.rt7.423.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core-4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-4.18.0-553.82.1.rt7.423.el8_10 +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:21091 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2025:21051 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2025:19447 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2025:23445 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2025:23463 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.6) | Fixed | RHSA-2025:23000 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.6) | Fixed | RHSA-2025:23000 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.8) | Fixed | RHSA-2025:22998 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.0) | Fixed | RHSA-2025:21091 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2025:21051 |
| Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) | Fixed | RHSA-2025:23463 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.6) | Fixed | RHSA-2025:23000 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.8) | Fixed | RHSA-2025:22998 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2025:19447 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2025:19440 |
| Red Hat Enterprise Linux NFV E4S (v.9.0) | Fixed | RHSA-2025:21136 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2025:19440 |
| Red Hat Enterprise Linux Real Time E4S (v.9.0) | Fixed | RHSA-2025:21136 |
| Red Hat Enterprise Linux Real Time E4S (v.9.2) | Fixed | RHSA-2025:21128 |
| Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) | Fixed | RHSA-2025:21128 |
Not affected: 2 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53226
- 2026-10-03 Alias added: GHSA-9w8v-7p4r-hqf4
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 9
- https://git.kernel.org/stable/c/f517c97fc129995de77dd06aa5a74f909ebf568f
- https://git.kernel.org/stable/c/8824aa4ab62c800f75d96f48e1883a5f56ec5869
- https://git.kernel.org/stable/c/29eca8b7863d1d7de6c5b746b374e3487d14f154
- https://git.kernel.org/stable/c/3fe3923d092e22d87d1ed03e2729db444b8c1331
- https://git.kernel.org/stable/c/7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02
- https://git.kernel.org/stable/c/3975e21d4d01efaf0296ded40d11c06589c49245
- https://git.kernel.org/stable/c/a7300e3800e9fd5405e88ce67709c1a97783b9c8
- https://git.kernel.org/stable/c/650d1bc02fba7b42f476d8b6643324abac5921ed
- https://git.kernel.org/stable/c/11958528161731c58e105b501ed60b83a91ea941
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Sources
- CVE-2023-53226 · CVE Program
- CVE-2023-53226 · NVD
- FIRST EPSS
- GHSA-9w8v-7p4r-hqf4 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53226 · Red Hat security data · CC BY 4.0
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